Ore-separator



.'(Nolodelny S. G. ROLLINS.

ORB SBPARATOR.

Patented Mar. 7,1882.

.Im/'ente r.

UNITED ASTATES PATENT OEEICE.

SAMUEL G. ROLLINS, OF BOSTON, MASSACHUSETTS.

ORE-SEPARA-roa SPECIFICATION forming part of Letters Patent No. 254,505, dated March 1882.

Application led December 15, 1881.

To all whom it may concern Be it known that I, SAMUEL GEORGE RoL- LINS, of Boston, of the county of Suffolk and State of Massachusetts, have invented a new and useful Improvement in Ore-Separators; and I do hereby declare the same to be described in the following specification, and repf resented in the accompanying drawings, 'of which- Figure 1 is a vertical and longitudinal section, and Fig. 2 a vertical and transverse section, of an ore-separator embracing'my invention, the nature of which is duly set forth in the claim hereinafter presented.

The purpose of the apparatus described is to separate from an ore the gangue, and to gather the metal in a suitable receptacle. The ore in a crushed state is led with water intothe cylinder, and is` driven through such by a screw Worm or propeller and agitator, the metal separating by gravity from the gangue and escaping into the receiving-chamber, while the gangue is driven ont of the cylinder through the educt leading out of its top.

In the drawings, A denotes the cylinder, which, closed at its rear end, is open at its front end, and there provided-with cover or head B, furnished with a box, a, to receive a shaft or spindle, C, which extends into the cylinder coneentrically therewith. The said shaft, atits inner end, is sustained by a step or bearing, b,

arranged as shown. The cylinder, near its front end, has an induct, c, and at its rear end an educt, Underneath the cylinder is the metal-receiving chamber D, which at its rear part opens into the cylinder by a passage, d. At its front part the said chamber D has a discharge-opening, e, provided with a screw-plug, f. The bottom of the chamber D slopes or is inclined from its rear to its front, all being as represented.

The spindle O is provided with a worm or screw, F, and also witha series of radial arms, Gr, each of which terminates in an inclined deliector or paddle, h. While the spindle is in revolution these arms, with their paddles, serve to agitata and force along the material received within the cylinder, the screw or worm also answering to advance the said material in the cylinder. In some cases the worm may be dispensed with, the arms and paddles alone being used, and in other cases the worm may be employed without the arms and paddles; but

lthe apparatus heated while in use.

this a furnace, suitably applied to it, may be.

(No model.)

I prefer to have both the worm and arms con1 bined with the spindle, as the worm prevents clogging of the material at the frontend of the cylinder.

In some cases it may be desirable to have To effect employed.

The crushed ore carried into the cylinder with. water Will be agitated and driven rearward therein,the metal passing into the receptacle or chamber D, and the gangue out ofthe educt d.

lIn practice this ore-separator has been found to operate to great advantage, and with very economical results, comparatively speaking.

Mercury may be used within the cylinder and metal intercepting chamber when an argentiferous ore is tobe treated.

I am aware of the amalgamator described in the United States Patent No. 261,110, and also of the gas -purifer described in the United States Patent No. 156,351. Although each contains a barrel or cylinder provided with a rotary agitator and propeller, it does not, like my ore-separator, have extending along be- Death the cylinder a separate chamber inclined at its bottom and opening at or near one end only into the cylinder, and at or near the other end having an opening of discharge. With the chamber D opening at one end only into scribed, the separate chamber D, inclined and extended along beneath the cylinder, as represented, and opening out of such at or near one end only of it, (the said chamber D,) and having a discharge-opening at its lower part or opposite end, all substantially as set forth.

SAMUEL GEORGE ROLLINS.

Witnesses R. H. EDDY, E. B. PRATT.

IOO 

